function Welcome(props) {
    return <h1 > Hello, { props.name } < /h1>
}
const element = < Welcome name = 'Fleven' / > ;

function All(props) {
    return ( <
        div >
        <
        Welcome name = 'F' > < /Welcome> <
        Welcome name = 'g' > < /Welcome> <
        Welcome name = 'y' > < /Welcome> < /
        div >
    );
}

ReactDOM.render( <
    All / > ,
    document.getElementById('root')
);